package com.example.myapplication;

import android.os.Handler;
import android.os.Message;
import android.util.Log;

import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;

import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

public class MapTask implements Runnable{
    private static final String TAG = "MapTask";
    private Handler handler;


    public void setHandler(Handler handler) {
        this.handler = handler;
    }

    @Override
    public void run() {
        //获取网络数据
        try {
            Thread.sleep(3000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }

        List<HashMap<String, String>> relist = new ArrayList<HashMap<String, String>>();
        try {
            Document doc = Jsoup.connect("https://www.boc.cn/sourcedb/whpj/").get();
            Log.i(TAG, "run: title=");
            Elements tables = doc.getElementsByTag("table");
            Element table = tables.get(1);
            Elements trs = table.getElementsByTag("tr");
            for (Element tr: trs){
                Elements tds = tr.getElementsByTag("td");
                if (tds.size()>0){
                    String td1 = tds.get(0).text();
                    String td2 = tds.get(5).text();
                    Log.i(TAG, "run: "+td1+"-->"+td2);
                    HashMap<String, String> map = new HashMap<String, String>();
                    map.put("cname",td1);
                    map.put("cval",td2);
                    relist.add(map);
                }
            }

        } catch (IOException e) {
            e.printStackTrace();
        }

        Message msg = handler.obtainMessage(7, relist);
        //    msg.what = 7;
        //    msg.obj = "hello from msg";
        handler.sendMessage(msg);
        Log.i(TAG, "run: sendMessage OK");
    }
}
